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September 4th, 2011, 01:17 PM
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#1 | |
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Disturbin' The Peace
2003 Mustang GT
Join Date: Sep 2010
Location: Austin, TX
Posts: 2,389
 iTrader: 8 reviews
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After gear install, confused
Ok I just got my 03 GT back from my gear installer.
I had him install a set of 4.10's and I thought I had stock 3.27's. At 70mph in 5th (T3650) what rpms should I had been at with the 3.27s?
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 2003 Mustang GT STD 259rwhp 298rwtq
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September 4th, 2011, 02:12 PM
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#2 |
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!FACEPLATED!
 
2002 Mustang GT
7.84 @ 86.01
Join Date: Jul 2008
Location: Upper Michigan
Posts: 12,917
 iTrader: 13 reviews
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around 2k rpms with 3.27s.
__________________
 MM Bracket Racing Crew Co-Founder ~Its a Drag Car, Not a Show Car~ LINK-->Custom Race Transmission Build<--LINK
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September 4th, 2011, 02:13 PM
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#3 |
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Regular
2001 Mustang Bullitt 5566
Join Date: May 2009
Location: South Carolina
Posts: 347
iTrader: 1 reviews
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Check out this link to the gear tables on the Bullitt archives.
BULLITT Archive Mustang Gear Tables
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 True Blue Bullitt 517hp 456tq Vortech | Aftercooler | MHS Blower Cams | MAC LT | Lethal Xpipe | SLP PowerFlo | MM RCA TQA PHB FLSC |
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September 4th, 2011, 02:19 PM
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#4 | |
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Disturbin' The Peace
2003 Mustang GT
Join Date: Sep 2010
Location: Austin, TX
Posts: 2,389
iTrader: 8 reviews
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Well then my tach is off. Before I had the 4.10's installed at 70 mph, I was around 2k-2050.
And when I went to pick up my car the installer showed me the gears he pulled out, and they had 3.73 stamped on them. I said WTF?. I had calculated it many times and was dead certain I had 3.27's.
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2003 Mustang GT STD 259rwhp 298rwtq
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September 4th, 2011, 02:23 PM
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#5 | |
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Regular
Join Date: Apr 2011
Posts: 466
iTrader: 0 reviews
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September 4th, 2011, 02:30 PM
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#6 |
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Regular
1996 Mustang GT
Join Date: Jun 2009
Location: Riverview, Fl
Posts: 372
Blog Entries: 2
iTrader: 0 reviews
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wheel diameter will affect that calculation. What does 4.10s feel like after 3.73s??? That is the question!
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96 GT - PI Intake & cams, O/R h-pipe, Flowmasters - 40s, Short Throw Shifter, 3.73 FRPP gears. |
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September 4th, 2011, 02:41 PM
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#7 | |
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Disturbin' The Peace
2003 Mustang GT
Join Date: Sep 2010
Location: Austin, TX
Posts: 2,389
iTrader: 8 reviews
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Tires are 315/35/17, they are around .1" difference in diameter.
There is a noticeable difference, not as big as I would have hoped(because I thought I had 3.27s) But overall I am happy. I havent got on it yet, still doing heat cycles and putting some miles on it.
__________________
2003 Mustang GT STD 259rwhp 298rwtq
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September 4th, 2011, 02:43 PM
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#8 | |
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!FACEPLATED!
2002 Mustang GT
7.84 @ 86.01
Join Date: Jul 2008
Location: Upper Michigan
Posts: 12,917
iTrader: 13 reviews
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__________________
MM Bracket Racing Crew Co-Founder ~Its a Drag Car, Not a Show Car~ LINK-->Custom Race Transmission Build<--LINK
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September 4th, 2011, 03:17 PM
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#9 |
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I Post Entirely Way Too Much
04 mustang gt
7.21 @ 98
Join Date: Apr 2008
Location: upstate sc
Posts: 5,923
iTrader: 1 reviews
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that sucks...big time lol
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 cams + 150 shot |
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